<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>fetch发送ajax请求</title>
</head>
<body>
  <button>AJAX请求</button>
</body>
<script>
  const btn = document.querySelector('button')
  btn.onclick = function(){
      fetch('http://127.0.0.1:8000/fetch-server',{
        //请求方法
        method:'POST',
        //请求头
        headers:{
          name:'jijiking'
        },
        //请求体
        body:'username=admin%password=123456'
      }).then(response=>{
        // return response.text()
        console.log(1,response);
        return response.json()
      }).then(response=>{
        console.log('response-->',response);
      })
  }
</script>
</html>